These Adapter Collars are threaded for a secure fit onto the driver barrel. Adapter Collar helps guide the material barrel.
- 1” for post, pipe, rod or stake up to - 1” diameter
- 2” for post, pipe, rod or stake between 1” – 2” diameter
- 3” for post, pipe, rod or stake between 2” – 3” diameter
- 4” for post, pipe, rod or stake between 3” – 4” diameter
Note: We recommend you always have an Adapter Collar on barrel when driving to protect barrel end and threads.